#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main()
{
	int arr[5] = { 0,1,2,3,4 };
	int* p = NULL;
	for (p = &arr[4]; p > &arr[0];)
	{
		*p-- = 0;
	}
	for (int i = 0; i < 5; i++)
	{
		printf("%d ", arr[i]);
	}
}
